a:7:{i:0;s:9:"region_id";i:1;s:10:"local_name";i:2;s:11:"p_region_id";i:3;s:12:"region_grade";i:4;s:9:"area_code";s:3:"_pk";s:9:"region_id";s:5:"_type";a:5:{s:9:"region_id";s:16:"int(10) unsigned";s:10:"local_name";s:11:"varchar(50)";s:11:"p_region_id";s:16:"int(10) unsigned";s:12:"region_grade";s:19:"tinyint(1) unsigned";s:9:"area_code";s:7:"int(10)";}}